SeanW.Colligan

Clients depend on Sean for his 28 years of experience with complex commercial disputes, securities litigation and regulatory investigations.

Overview

As a commercial litigator, Sean defends directors, officers, managers and general partners in derivative lawsuits and regularly conducts internal investigations for financial institutions, public companies and their board committees. He also advises, and where necessary, litigates over trade secret disputes and covenants not to compete.

He has defended companies and financial institutions against consumer and securities class actions, handled FINRA and AAA arbitrations and represented both plaintiffs and defendants in securities fraud cases.

Sean co-chairs our Business Torts Litigation practice group.

Sean regularly represents companies and individuals in the agricultural, animal health and food production industries.

Before joining the firm, Sean spent five years with the Commercial Litigation Branch of the U.S. Department of Justice.

Experience

Sean has pursued and defended several claims for misappropriation of trade secrets, breach of fiduciary duty, unfair competition and tortious interference with contract, and has recovered substantial damages and injunctive relief for clients in such actions.

He has defended numerous public companies and financial institutions in SEC and CFTC investigations.

He has represented shareholders in several successful lawsuits related to a public company proxy contest.

Sean has represented companies and corporate officers in connection with responding to grand jury subpoenas.

He has defended False Claims Act litigation.

He has defended a bank and its publicly-traded holding company in multiple class action lender liability cases.

Sean has successfully defended FINRA and AAA arbitrations seeking tens of millions of dollars in damages.

He has advised corporations on procedures for responding to shareholder derivative demands.

The choice of a lawyer is an important decision and should not be based solely on advertisements. Past results do not guarantee future results. Every case is different and must be judged on its own merits.

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